Sensor



FIG. 1 is a perspective front side view in accordance with our new design;

FIG. 2 is a bottom view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a left side view thereof. 

CLAIM The ornamental design for a sensor, as shown and described. 